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1#ifndef __PERF_RECORD_H
2#define __PERF_RECORD_H
3
4#include <limits.h>
5#include <stdio.h>
6
7#include "../perf.h"
8#include "map.h"
9#include "build-id.h"
10#include "perf_regs.h"
11
12struct mmap_event {
13 struct perf_event_header header;
14 u32 pid, tid;
15 u64 start;
16 u64 len;
17 u64 pgoff;
18 char filename[PATH_MAX];
19};
20
21struct mmap2_event {
22 struct perf_event_header header;
23 u32 pid, tid;
24 u64 start;
25 u64 len;
26 u64 pgoff;
27 u32 maj;
28 u32 min;
29 u64 ino;
30 u64 ino_generation;
31 u32 prot;
32 u32 flags;
33 char filename[PATH_MAX];
34};
35
36struct comm_event {
37 struct perf_event_header header;
38 u32 pid, tid;
39 char comm[16];
40};
41
42struct fork_event {
43 struct perf_event_header header;
44 u32 pid, ppid;
45 u32 tid, ptid;
46 u64 time;
47};
48
49struct lost_event {
50 struct perf_event_header header;
51 u64 id;
52 u64 lost;
53};
54
55struct lost_samples_event {
56 struct perf_event_header header;
57 u64 lost;
58};
59
60/*
61 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
62 */
63struct read_event {
64 struct perf_event_header header;
65 u32 pid, tid;
66 u64 value;
67 u64 time_enabled;
68 u64 time_running;
69 u64 id;
70};
71
72struct throttle_event {
73 struct perf_event_header header;
74 u64 time;
75 u64 id;
76 u64 stream_id;
77};
78
79#define PERF_SAMPLE_MASK \
80 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \
81 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \
82 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \
83 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \
84 PERF_SAMPLE_IDENTIFIER)
85
86/* perf sample has 16 bits size limit */
87#define PERF_SAMPLE_MAX_SIZE (1 << 16)
88
89struct sample_event {
90 struct perf_event_header header;
91 u64 array[];
92};
93
94struct regs_dump {
95 u64 abi;
96 u64 mask;
97 u64 *regs;
98
99 /* Cached values/mask filled by first register access. */
100 u64 cache_regs[PERF_REGS_MAX];
101 u64 cache_mask;
102};
103
104struct stack_dump {
105 u16 offset;
106 u64 size;
107 char *data;
108};
109
110struct sample_read_value {
111 u64 value;
112 u64 id;
113};
114
115struct sample_read {
116 u64 time_enabled;
117 u64 time_running;
118 union {
119 struct {
120 u64 nr;
121 struct sample_read_value *values;
122 } group;
123 struct sample_read_value one;
124 };
125};
126
127struct ip_callchain {
128 u64 nr;
129 u64 ips[0];
130};
131
132struct branch_flags {
133 u64 mispred:1;
134 u64 predicted:1;
135 u64 in_tx:1;
136 u64 abort:1;
137 u64 cycles:16;
138 u64 reserved:44;
139};
140
141struct branch_entry {
142 u64 from;
143 u64 to;
144 struct branch_flags flags;
145};
146
147struct branch_stack {
148 u64 nr;
149 struct branch_entry entries[0];
150};
151
152enum {
153 PERF_IP_FLAG_BRANCH = 1ULL << 0,
154 PERF_IP_FLAG_CALL = 1ULL << 1,
155 PERF_IP_FLAG_RETURN = 1ULL << 2,
156 PERF_IP_FLAG_CONDITIONAL = 1ULL << 3,
157 PERF_IP_FLAG_SYSCALLRET = 1ULL << 4,
158 PERF_IP_FLAG_ASYNC = 1ULL << 5,
159 PERF_IP_FLAG_INTERRUPT = 1ULL << 6,
160 PERF_IP_FLAG_TX_ABORT = 1ULL << 7,
161 PERF_IP_FLAG_TRACE_BEGIN = 1ULL << 8,
162 PERF_IP_FLAG_TRACE_END = 1ULL << 9,
163 PERF_IP_FLAG_IN_TX = 1ULL << 10,
164};
165
166#define PERF_IP_FLAG_CHARS "bcrosyiABEx"
167
168#define PERF_BRANCH_MASK (\
169 PERF_IP_FLAG_BRANCH |\
170 PERF_IP_FLAG_CALL |\
171 PERF_IP_FLAG_RETURN |\
172 PERF_IP_FLAG_CONDITIONAL |\
173 PERF_IP_FLAG_SYSCALLRET |\
174 PERF_IP_FLAG_ASYNC |\
175 PERF_IP_FLAG_INTERRUPT |\
176 PERF_IP_FLAG_TX_ABORT |\
177 PERF_IP_FLAG_TRACE_BEGIN |\
178 PERF_IP_FLAG_TRACE_END)
179
180struct perf_sample {
181 u64 ip;
182 u32 pid, tid;
183 u64 time;
184 u64 addr;
185 u64 id;
186 u64 stream_id;
187 u64 period;
188 u64 weight;
189 u64 transaction;
190 u32 cpu;
191 u32 raw_size;
192 u64 data_src;
193 u32 flags;
194 u16 insn_len;
195 u8 cpumode;
196 void *raw_data;
197 struct ip_callchain *callchain;
198 struct branch_stack *branch_stack;
199 struct regs_dump user_regs;
200 struct regs_dump intr_regs;
201 struct stack_dump user_stack;
202 struct sample_read read;
203};
204
205#define PERF_MEM_DATA_SRC_NONE \
206 (PERF_MEM_S(OP, NA) |\
207 PERF_MEM_S(LVL, NA) |\
208 PERF_MEM_S(SNOOP, NA) |\
209 PERF_MEM_S(LOCK, NA) |\
210 PERF_MEM_S(TLB, NA))
211
212struct build_id_event {
213 struct perf_event_header header;
214 pid_t pid;
215 u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
216 char filename[];
217};
218
219enum perf_user_event_type { /* above any possible kernel type */
220 PERF_RECORD_USER_TYPE_START = 64,
221 PERF_RECORD_HEADER_ATTR = 64,
222 PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */
223 PERF_RECORD_HEADER_TRACING_DATA = 66,
224 PERF_RECORD_HEADER_BUILD_ID = 67,
225 PERF_RECORD_FINISHED_ROUND = 68,
226 PERF_RECORD_ID_INDEX = 69,
227 PERF_RECORD_AUXTRACE_INFO = 70,
228 PERF_RECORD_AUXTRACE = 71,
229 PERF_RECORD_AUXTRACE_ERROR = 72,
230 PERF_RECORD_THREAD_MAP = 73,
231 PERF_RECORD_CPU_MAP = 74,
232 PERF_RECORD_STAT_CONFIG = 75,
233 PERF_RECORD_STAT = 76,
234 PERF_RECORD_STAT_ROUND = 77,
235 PERF_RECORD_EVENT_UPDATE = 78,
236 PERF_RECORD_HEADER_MAX
237};
238
239enum auxtrace_error_type {
240 PERF_AUXTRACE_ERROR_ITRACE = 1,
241 PERF_AUXTRACE_ERROR_MAX
242};
243
244/*
245 * The kernel collects the number of events it couldn't send in a stretch and
246 * when possible sends this number in a PERF_RECORD_LOST event. The number of
247 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
248 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
249 * the sum of all struct lost_event.lost fields reported.
250 *
251 * The kernel discards mixed up samples and sends the number in a
252 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored
253 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells
254 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of
255 * all struct lost_samples_event.lost fields reported.
256 *
257 * The total_period is needed because by default auto-freq is used, so
258 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
259 * the total number of low level events, it is necessary to to sum all struct
260 * sample_event.period and stash the result in total_period.
261 */
262struct events_stats {
263 u64 total_period;
264 u64 total_non_filtered_period;
265 u64 total_lost;
266 u64 total_lost_samples;
267 u64 total_aux_lost;
268 u64 total_invalid_chains;
269 u32 nr_events[PERF_RECORD_HEADER_MAX];
270 u32 nr_non_filtered_samples;
271 u32 nr_lost_warned;
272 u32 nr_unknown_events;
273 u32 nr_invalid_chains;
274 u32 nr_unknown_id;
275 u32 nr_unprocessable_samples;
276 u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX];
277 u32 nr_proc_map_timeout;
278};
279
280enum {
281 PERF_CPU_MAP__CPUS = 0,
282 PERF_CPU_MAP__MASK = 1,
283};
284
285struct cpu_map_entries {
286 u16 nr;
287 u16 cpu[];
288};
289
290struct cpu_map_mask {
291 u16 nr;
292 u16 long_size;
293 unsigned long mask[];
294};
295
296struct cpu_map_data {
297 u16 type;
298 char data[];
299};
300
301struct cpu_map_event {
302 struct perf_event_header header;
303 struct cpu_map_data data;
304};
305
306struct attr_event {
307 struct perf_event_header header;
308 struct perf_event_attr attr;
309 u64 id[];
310};
311
312enum {
313 PERF_EVENT_UPDATE__UNIT = 0,
314 PERF_EVENT_UPDATE__SCALE = 1,
315 PERF_EVENT_UPDATE__NAME = 2,
316 PERF_EVENT_UPDATE__CPUS = 3,
317};
318
319struct event_update_event_cpus {
320 struct cpu_map_data cpus;
321};
322
323struct event_update_event_scale {
324 double scale;
325};
326
327struct event_update_event {
328 struct perf_event_header header;
329 u64 type;
330 u64 id;
331
332 char data[];
333};
334
335#define MAX_EVENT_NAME 64
336
337struct perf_trace_event_type {
338 u64 event_id;
339 char name[MAX_EVENT_NAME];
340};
341
342struct event_type_event {
343 struct perf_event_header header;
344 struct perf_trace_event_type event_type;
345};
346
347struct tracing_data_event {
348 struct perf_event_header header;
349 u32 size;
350};
351
352struct id_index_entry {
353 u64 id;
354 u64 idx;
355 u64 cpu;
356 u64 tid;
357};
358
359struct id_index_event {
360 struct perf_event_header header;
361 u64 nr;
362 struct id_index_entry entries[0];
363};
364
365struct auxtrace_info_event {
366 struct perf_event_header header;
367 u32 type;
368 u32 reserved__; /* For alignment */
369 u64 priv[];
370};
371
372struct auxtrace_event {
373 struct perf_event_header header;
374 u64 size;
375 u64 offset;
376 u64 reference;
377 u32 idx;
378 u32 tid;
379 u32 cpu;
380 u32 reserved__; /* For alignment */
381};
382
383#define MAX_AUXTRACE_ERROR_MSG 64
384
385struct auxtrace_error_event {
386 struct perf_event_header header;
387 u32 type;
388 u32 code;
389 u32 cpu;
390 u32 pid;
391 u32 tid;
392 u32 reserved__; /* For alignment */
393 u64 ip;
394 char msg[MAX_AUXTRACE_ERROR_MSG];
395};
396
397struct aux_event {
398 struct perf_event_header header;
399 u64 aux_offset;
400 u64 aux_size;
401 u64 flags;
402};
403
404struct itrace_start_event {
405 struct perf_event_header header;
406 u32 pid, tid;
407};
408
409struct context_switch_event {
410 struct perf_event_header header;
411 u32 next_prev_pid;
412 u32 next_prev_tid;
413};
414
415struct thread_map_event_entry {
416 u64 pid;
417 char comm[16];
418};
419
420struct thread_map_event {
421 struct perf_event_header header;
422 u64 nr;
423 struct thread_map_event_entry entries[];
424};
425
426enum {
427 PERF_STAT_CONFIG_TERM__AGGR_MODE = 0,
428 PERF_STAT_CONFIG_TERM__INTERVAL = 1,
429 PERF_STAT_CONFIG_TERM__SCALE = 2,
430 PERF_STAT_CONFIG_TERM__MAX = 3,
431};
432
433struct stat_config_event_entry {
434 u64 tag;
435 u64 val;
436};
437
438struct stat_config_event {
439 struct perf_event_header header;
440 u64 nr;
441 struct stat_config_event_entry data[];
442};
443
444struct stat_event {
445 struct perf_event_header header;
446
447 u64 id;
448 u32 cpu;
449 u32 thread;
450
451 union {
452 struct {
453 u64 val;
454 u64 ena;
455 u64 run;
456 };
457 u64 values[3];
458 };
459};
460
461enum {
462 PERF_STAT_ROUND_TYPE__INTERVAL = 0,
463 PERF_STAT_ROUND_TYPE__FINAL = 1,
464};
465
466struct stat_round_event {
467 struct perf_event_header header;
468 u64 type;
469 u64 time;
470};
471
472union perf_event {
473 struct perf_event_header header;
474 struct mmap_event mmap;
475 struct mmap2_event mmap2;
476 struct comm_event comm;
477 struct fork_event fork;
478 struct lost_event lost;
479 struct lost_samples_event lost_samples;
480 struct read_event read;
481 struct throttle_event throttle;
482 struct sample_event sample;
483 struct attr_event attr;
484 struct event_update_event event_update;
485 struct event_type_event event_type;
486 struct tracing_data_event tracing_data;
487 struct build_id_event build_id;
488 struct id_index_event id_index;
489 struct auxtrace_info_event auxtrace_info;
490 struct auxtrace_event auxtrace;
491 struct auxtrace_error_event auxtrace_error;
492 struct aux_event aux;
493 struct itrace_start_event itrace_start;
494 struct context_switch_event context_switch;
495 struct thread_map_event thread_map;
496 struct cpu_map_event cpu_map;
497 struct stat_config_event stat_config;
498 struct stat_event stat;
499 struct stat_round_event stat_round;
500};
501
502void perf_event__print_totals(void);
503
504struct perf_tool;
505struct thread_map;
506struct cpu_map;
507struct perf_stat_config;
508struct perf_counts_values;
509
510typedef int (*perf_event__handler_t)(struct perf_tool *tool,
511 union perf_event *event,
512 struct perf_sample *sample,
513 struct machine *machine);
514
515int perf_event__synthesize_thread_map(struct perf_tool *tool,
516 struct thread_map *threads,
517 perf_event__handler_t process,
518 struct machine *machine, bool mmap_data,
519 unsigned int proc_map_timeout);
520int perf_event__synthesize_thread_map2(struct perf_tool *tool,
521 struct thread_map *threads,
522 perf_event__handler_t process,
523 struct machine *machine);
524int perf_event__synthesize_cpu_map(struct perf_tool *tool,
525 struct cpu_map *cpus,
526 perf_event__handler_t process,
527 struct machine *machine);
528int perf_event__synthesize_threads(struct perf_tool *tool,
529 perf_event__handler_t process,
530 struct machine *machine, bool mmap_data,
531 unsigned int proc_map_timeout);
532int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
533 perf_event__handler_t process,
534 struct machine *machine);
535int perf_event__synthesize_stat_config(struct perf_tool *tool,
536 struct perf_stat_config *config,
537 perf_event__handler_t process,
538 struct machine *machine);
539void perf_event__read_stat_config(struct perf_stat_config *config,
540 struct stat_config_event *event);
541int perf_event__synthesize_stat(struct perf_tool *tool,
542 u32 cpu, u32 thread, u64 id,
543 struct perf_counts_values *count,
544 perf_event__handler_t process,
545 struct machine *machine);
546int perf_event__synthesize_stat_round(struct perf_tool *tool,
547 u64 time, u64 type,
548 perf_event__handler_t process,
549 struct machine *machine);
550int perf_event__synthesize_modules(struct perf_tool *tool,
551 perf_event__handler_t process,
552 struct machine *machine);
553
554int perf_event__process_comm(struct perf_tool *tool,
555 union perf_event *event,
556 struct perf_sample *sample,
557 struct machine *machine);
558int perf_event__process_lost(struct perf_tool *tool,
559 union perf_event *event,
560 struct perf_sample *sample,
561 struct machine *machine);
562int perf_event__process_lost_samples(struct perf_tool *tool,
563 union perf_event *event,
564 struct perf_sample *sample,
565 struct machine *machine);
566int perf_event__process_aux(struct perf_tool *tool,
567 union perf_event *event,
568 struct perf_sample *sample,
569 struct machine *machine);
570int perf_event__process_itrace_start(struct perf_tool *tool,
571 union perf_event *event,
572 struct perf_sample *sample,
573 struct machine *machine);
574int perf_event__process_switch(struct perf_tool *tool,
575 union perf_event *event,
576 struct perf_sample *sample,
577 struct machine *machine);
578int perf_event__process_mmap(struct perf_tool *tool,
579 union perf_event *event,
580 struct perf_sample *sample,
581 struct machine *machine);
582int perf_event__process_mmap2(struct perf_tool *tool,
583 union perf_event *event,
584 struct perf_sample *sample,
585 struct machine *machine);
586int perf_event__process_fork(struct perf_tool *tool,
587 union perf_event *event,
588 struct perf_sample *sample,
589 struct machine *machine);
590int perf_event__process_exit(struct perf_tool *tool,
591 union perf_event *event,
592 struct perf_sample *sample,
593 struct machine *machine);
594int perf_event__process(struct perf_tool *tool,
595 union perf_event *event,
596 struct perf_sample *sample,
597 struct machine *machine);
598
599struct addr_location;
600
601int machine__resolve(struct machine *machine, struct addr_location *al,
602 struct perf_sample *sample);
603
604void addr_location__put(struct addr_location *al);
605
606struct thread;
607
608bool is_bts_event(struct perf_event_attr *attr);
609bool sample_addr_correlates_sym(struct perf_event_attr *attr);
610void thread__resolve(struct thread *thread, struct addr_location *al,
611 struct perf_sample *sample);
612
613const char *perf_event__name(unsigned int id);
614
615size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
616 u64 read_format);
617int perf_event__synthesize_sample(union perf_event *event, u64 type,
618 u64 read_format,
619 const struct perf_sample *sample,
620 bool swapped);
621
622pid_t perf_event__synthesize_comm(struct perf_tool *tool,
623 union perf_event *event, pid_t pid,
624 perf_event__handler_t process,
625 struct machine *machine);
626
627int perf_event__synthesize_mmap_events(struct perf_tool *tool,
628 union perf_event *event,
629 pid_t pid, pid_t tgid,
630 perf_event__handler_t process,
631 struct machine *machine,
632 bool mmap_data,
633 unsigned int proc_map_timeout);
634
635size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
636size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
637size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
638size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
639size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
640size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
641size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
642size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);
643size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);
644size_t perf_event__fprintf(union perf_event *event, FILE *fp);
645
646u64 kallsyms__get_function_start(const char *kallsyms_filename,
647 const char *symbol_name);
648
649void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max);
650void cpu_map_data__synthesize(struct cpu_map_data *data, struct cpu_map *map,
651 u16 type, int max);
652#endif /* __PERF_RECORD_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __PERF_RECORD_H
3#define __PERF_RECORD_H
4/*
5 * The linux/stddef.h isn't need here, but is needed for __always_inline used
6 * in files included from uapi/linux/perf_event.h such as
7 * /usr/include/linux/swab.h and /usr/include/linux/byteorder/little_endian.h,
8 * detected in at least musl libc, used in Alpine Linux. -acme
9 */
10#include <stdio.h>
11#include <linux/stddef.h>
12#include <perf/event.h>
13#include <linux/types.h>
14
15struct dso;
16struct machine;
17struct perf_event_attr;
18struct perf_sample;
19
20#ifdef __LP64__
21/*
22 * /usr/include/inttypes.h uses just 'lu' for PRIu64, but we end up defining
23 * __u64 as long long unsigned int, and then -Werror=format= kicks in and
24 * complains of the mismatched types, so use these two special extra PRI
25 * macros to overcome that.
26 */
27#define PRI_lu64 "l" PRIu64
28#define PRI_lx64 "l" PRIx64
29#define PRI_ld64 "l" PRId64
30#else
31#define PRI_lu64 PRIu64
32#define PRI_lx64 PRIx64
33#define PRI_ld64 PRId64
34#endif
35
36#define PERF_SAMPLE_MASK \
37 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \
38 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \
39 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \
40 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \
41 PERF_SAMPLE_IDENTIFIER)
42
43/* perf sample has 16 bits size limit */
44#define PERF_SAMPLE_MAX_SIZE (1 << 16)
45
46struct ip_callchain {
47 u64 nr;
48 u64 ips[];
49};
50
51struct branch_stack;
52
53enum {
54 PERF_IP_FLAG_BRANCH = 1ULL << 0,
55 PERF_IP_FLAG_CALL = 1ULL << 1,
56 PERF_IP_FLAG_RETURN = 1ULL << 2,
57 PERF_IP_FLAG_CONDITIONAL = 1ULL << 3,
58 PERF_IP_FLAG_SYSCALLRET = 1ULL << 4,
59 PERF_IP_FLAG_ASYNC = 1ULL << 5,
60 PERF_IP_FLAG_INTERRUPT = 1ULL << 6,
61 PERF_IP_FLAG_TX_ABORT = 1ULL << 7,
62 PERF_IP_FLAG_TRACE_BEGIN = 1ULL << 8,
63 PERF_IP_FLAG_TRACE_END = 1ULL << 9,
64 PERF_IP_FLAG_IN_TX = 1ULL << 10,
65 PERF_IP_FLAG_VMENTRY = 1ULL << 11,
66 PERF_IP_FLAG_VMEXIT = 1ULL << 12,
67 PERF_IP_FLAG_INTR_DISABLE = 1ULL << 13,
68 PERF_IP_FLAG_INTR_TOGGLE = 1ULL << 14,
69};
70
71#define PERF_IP_FLAG_CHARS "bcrosyiABExghDt"
72
73#define PERF_BRANCH_MASK (\
74 PERF_IP_FLAG_BRANCH |\
75 PERF_IP_FLAG_CALL |\
76 PERF_IP_FLAG_RETURN |\
77 PERF_IP_FLAG_CONDITIONAL |\
78 PERF_IP_FLAG_SYSCALLRET |\
79 PERF_IP_FLAG_ASYNC |\
80 PERF_IP_FLAG_INTERRUPT |\
81 PERF_IP_FLAG_TX_ABORT |\
82 PERF_IP_FLAG_TRACE_BEGIN |\
83 PERF_IP_FLAG_TRACE_END |\
84 PERF_IP_FLAG_VMENTRY |\
85 PERF_IP_FLAG_VMEXIT)
86
87#define PERF_MEM_DATA_SRC_NONE \
88 (PERF_MEM_S(OP, NA) |\
89 PERF_MEM_S(LVL, NA) |\
90 PERF_MEM_S(SNOOP, NA) |\
91 PERF_MEM_S(LOCK, NA) |\
92 PERF_MEM_S(TLB, NA))
93
94/* Attribute type for custom synthesized events */
95#define PERF_TYPE_SYNTH (INT_MAX + 1U)
96
97/* Attribute config for custom synthesized events */
98enum perf_synth_id {
99 PERF_SYNTH_INTEL_PTWRITE,
100 PERF_SYNTH_INTEL_MWAIT,
101 PERF_SYNTH_INTEL_PWRE,
102 PERF_SYNTH_INTEL_EXSTOP,
103 PERF_SYNTH_INTEL_PWRX,
104 PERF_SYNTH_INTEL_CBR,
105 PERF_SYNTH_INTEL_PSB,
106 PERF_SYNTH_INTEL_EVT,
107 PERF_SYNTH_INTEL_IFLAG_CHG,
108};
109
110/*
111 * Raw data formats for synthesized events. Note that 4 bytes of padding are
112 * present to match the 'size' member of PERF_SAMPLE_RAW data which is always
113 * 8-byte aligned. That means we must dereference raw_data with an offset of 4.
114 * Refer perf_sample__synth_ptr() and perf_synth__raw_data(). It also means the
115 * structure sizes are 4 bytes bigger than the raw_size, refer
116 * perf_synth__raw_size().
117 */
118
119struct perf_synth_intel_ptwrite {
120 u32 padding;
121 union {
122 struct {
123 u32 ip : 1,
124 reserved : 31;
125 };
126 u32 flags;
127 };
128 u64 payload;
129};
130
131struct perf_synth_intel_mwait {
132 u32 padding;
133 u32 reserved;
134 union {
135 struct {
136 u64 hints : 8,
137 reserved1 : 24,
138 extensions : 2,
139 reserved2 : 30;
140 };
141 u64 payload;
142 };
143};
144
145struct perf_synth_intel_pwre {
146 u32 padding;
147 u32 reserved;
148 union {
149 struct {
150 u64 reserved1 : 7,
151 hw : 1,
152 subcstate : 4,
153 cstate : 4,
154 reserved2 : 48;
155 };
156 u64 payload;
157 };
158};
159
160struct perf_synth_intel_exstop {
161 u32 padding;
162 union {
163 struct {
164 u32 ip : 1,
165 reserved : 31;
166 };
167 u32 flags;
168 };
169};
170
171struct perf_synth_intel_pwrx {
172 u32 padding;
173 u32 reserved;
174 union {
175 struct {
176 u64 deepest_cstate : 4,
177 last_cstate : 4,
178 wake_reason : 4,
179 reserved1 : 52;
180 };
181 u64 payload;
182 };
183};
184
185struct perf_synth_intel_cbr {
186 u32 padding;
187 union {
188 struct {
189 u32 cbr : 8,
190 reserved1 : 8,
191 max_nonturbo : 8,
192 reserved2 : 8;
193 };
194 u32 flags;
195 };
196 u32 freq;
197 u32 reserved3;
198};
199
200struct perf_synth_intel_psb {
201 u32 padding;
202 u32 reserved;
203 u64 offset;
204};
205
206struct perf_synth_intel_evd {
207 union {
208 struct {
209 u8 evd_type;
210 u8 reserved[7];
211 };
212 u64 et;
213 };
214 u64 payload;
215};
216
217/* Intel PT Event Trace */
218struct perf_synth_intel_evt {
219 u32 padding;
220 union {
221 struct {
222 u32 type : 5,
223 reserved : 2,
224 ip : 1,
225 vector : 8,
226 evd_cnt : 16;
227 };
228 u32 cfe;
229 };
230 struct perf_synth_intel_evd evd[0];
231};
232
233struct perf_synth_intel_iflag_chg {
234 u32 padding;
235 union {
236 struct {
237 u32 iflag : 1,
238 via_branch : 1;
239 };
240 u32 flags;
241 };
242 u64 branch_ip; /* If via_branch */
243};
244
245static inline void *perf_synth__raw_data(void *p)
246{
247 return p + 4;
248}
249
250#define perf_synth__raw_size(d) (sizeof(d) - 4)
251
252#define perf_sample__bad_synth_size(s, d) ((s)->raw_size < sizeof(d) - 4)
253
254enum {
255 PERF_STAT_ROUND_TYPE__INTERVAL = 0,
256 PERF_STAT_ROUND_TYPE__FINAL = 1,
257};
258
259void perf_event__print_totals(void);
260
261struct perf_cpu_map;
262struct perf_record_stat_config;
263struct perf_stat_config;
264struct perf_tool;
265
266void perf_event__read_stat_config(struct perf_stat_config *config,
267 struct perf_record_stat_config *event);
268
269int perf_event__process_comm(struct perf_tool *tool,
270 union perf_event *event,
271 struct perf_sample *sample,
272 struct machine *machine);
273int perf_event__process_lost(struct perf_tool *tool,
274 union perf_event *event,
275 struct perf_sample *sample,
276 struct machine *machine);
277int perf_event__process_lost_samples(struct perf_tool *tool,
278 union perf_event *event,
279 struct perf_sample *sample,
280 struct machine *machine);
281int perf_event__process_aux(struct perf_tool *tool,
282 union perf_event *event,
283 struct perf_sample *sample,
284 struct machine *machine);
285int perf_event__process_itrace_start(struct perf_tool *tool,
286 union perf_event *event,
287 struct perf_sample *sample,
288 struct machine *machine);
289int perf_event__process_aux_output_hw_id(struct perf_tool *tool,
290 union perf_event *event,
291 struct perf_sample *sample,
292 struct machine *machine);
293int perf_event__process_switch(struct perf_tool *tool,
294 union perf_event *event,
295 struct perf_sample *sample,
296 struct machine *machine);
297int perf_event__process_namespaces(struct perf_tool *tool,
298 union perf_event *event,
299 struct perf_sample *sample,
300 struct machine *machine);
301int perf_event__process_cgroup(struct perf_tool *tool,
302 union perf_event *event,
303 struct perf_sample *sample,
304 struct machine *machine);
305int perf_event__process_mmap(struct perf_tool *tool,
306 union perf_event *event,
307 struct perf_sample *sample,
308 struct machine *machine);
309int perf_event__process_mmap2(struct perf_tool *tool,
310 union perf_event *event,
311 struct perf_sample *sample,
312 struct machine *machine);
313int perf_event__process_fork(struct perf_tool *tool,
314 union perf_event *event,
315 struct perf_sample *sample,
316 struct machine *machine);
317int perf_event__process_exit(struct perf_tool *tool,
318 union perf_event *event,
319 struct perf_sample *sample,
320 struct machine *machine);
321int perf_event__process_ksymbol(struct perf_tool *tool,
322 union perf_event *event,
323 struct perf_sample *sample,
324 struct machine *machine);
325int perf_event__process_bpf(struct perf_tool *tool,
326 union perf_event *event,
327 struct perf_sample *sample,
328 struct machine *machine);
329int perf_event__process_text_poke(struct perf_tool *tool,
330 union perf_event *event,
331 struct perf_sample *sample,
332 struct machine *machine);
333int perf_event__process(struct perf_tool *tool,
334 union perf_event *event,
335 struct perf_sample *sample,
336 struct machine *machine);
337
338bool is_bts_event(struct perf_event_attr *attr);
339bool sample_addr_correlates_sym(struct perf_event_attr *attr);
340
341const char *perf_event__name(unsigned int id);
342
343size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
344size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
345size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
346size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
347size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
348size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
349size_t perf_event__fprintf_aux_output_hw_id(union perf_event *event, FILE *fp);
350size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
351size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);
352size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);
353size_t perf_event__fprintf_namespaces(union perf_event *event, FILE *fp);
354size_t perf_event__fprintf_cgroup(union perf_event *event, FILE *fp);
355size_t perf_event__fprintf_ksymbol(union perf_event *event, FILE *fp);
356size_t perf_event__fprintf_bpf(union perf_event *event, FILE *fp);
357size_t perf_event__fprintf_text_poke(union perf_event *event, struct machine *machine,FILE *fp);
358size_t perf_event__fprintf(union perf_event *event, struct machine *machine, FILE *fp);
359
360int kallsyms__get_function_start(const char *kallsyms_filename,
361 const char *symbol_name, u64 *addr);
362
363void event_attr_init(struct perf_event_attr *attr);
364
365int perf_event_paranoid(void);
366bool perf_event_paranoid_check(int max_level);
367
368extern int sysctl_perf_event_max_stack;
369extern int sysctl_perf_event_max_contexts_per_stack;
370extern unsigned int proc_map_timeout;
371
372#define PAGE_SIZE_NAME_LEN 32
373char *get_page_size_name(u64 size, char *str);
374
375void arch_perf_parse_sample_weight(struct perf_sample *data, const __u64 *array, u64 type);
376void arch_perf_synthesize_sample_weight(const struct perf_sample *data, __u64 *array, u64 type);
377const char *arch_perf_header_entry(const char *se_header);
378int arch_support_sort_key(const char *sort_key);
379
380static inline bool perf_event_header__cpumode_is_guest(u8 cpumode)
381{
382 return cpumode == PERF_RECORD_MISC_GUEST_KERNEL ||
383 cpumode == PERF_RECORD_MISC_GUEST_USER;
384}
385
386static inline bool perf_event_header__misc_is_guest(u16 misc)
387{
388 return perf_event_header__cpumode_is_guest(misc & PERF_RECORD_MISC_CPUMODE_MASK);
389}
390
391static inline bool perf_event_header__is_guest(const struct perf_event_header *header)
392{
393 return perf_event_header__misc_is_guest(header->misc);
394}
395
396static inline bool perf_event__is_guest(const union perf_event *event)
397{
398 return perf_event_header__is_guest(&event->header);
399}
400
401#endif /* __PERF_RECORD_H */